EP2220155A1 - Tuyau en matière plastique fait de polyoléfine - Google Patents

Tuyau en matière plastique fait de polyoléfine

Info

Publication number
EP2220155A1
EP2220155A1 EP08857937A EP08857937A EP2220155A1 EP 2220155 A1 EP2220155 A1 EP 2220155A1 EP 08857937 A EP08857937 A EP 08857937A EP 08857937 A EP08857937 A EP 08857937A EP 2220155 A1 EP2220155 A1 EP 2220155A1
Authority
EP
European Patent Office
Prior art keywords
stabilizer
plastic pipe
cross
primary
pipe according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08857937A
Other languages
German (de)
English (en)
Other versions
EP2220155B1 (fr
EP2220155A4 (fr
Inventor
Jan Ericsson
Jacob John
Lucas Brickweg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Uponor Innovation AB
Original Assignee
Uponor Innovation AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Uponor Innovation AB filed Critical Uponor Innovation AB
Publication of EP2220155A1 publication Critical patent/EP2220155A1/fr
Publication of EP2220155A4 publication Critical patent/EP2220155A4/fr
Application granted granted Critical
Publication of EP2220155B1 publication Critical patent/EP2220155B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/37—Thiols
    • C08K5/375—Thiols containing six-membered aromatic rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2312/00—Crosslinking

Definitions

  • Plastic pipe made of cross-linked polyolefin further comprising stabilizer (s) .
  • the invention relates to a plastic pipe used for potable water applications, which is made from a cross-linked polyolefin, preferably but not limited to, polyethylene.
  • polyoiefi ⁇ s preferably but not limited to, polyethylene
  • a further advantage is to use cross- linked polyethylene PEX for making pipes for potable water applications.
  • advantages include, but are not limited to, long term stability including oxidation resistance to meet current codes and standards for potable water applications, flexibility in installation including a "memory effect", etc.
  • potable water is typically more or ⁇ ess chlorinated, chlorine primarily acting as a disinfectant.
  • Chlorinated water environments exhibit additional challenges to plastic pipe systems. It is well known that extensive exposure to chlorine, and/or any of its water-soluble derivatives, at elevated temperatures and pressures, eventually leads to increased failure rates for piastic piping systems through catalyzed oxidation. It is fundamentally established that chlorine, hypochlorite, etc. reacts with polyethylene in an oxidative type of reaction, resulting in undesired and accelerated polymer (pipe ⁇ degradation. Typically, antioxidants are used to overcome the degradative effect of chlorine and/or its derivatives.
  • US 2007/0092675 discloses stabilized polyethylene materials which maintain the physical properties in chlorinated water environments.
  • the disclosure suggests adding antioxidants, such as hindered phenols, phos- phates and metal deactivators, to a polyethylene resin.
  • antioxidants such as hindered phenols, phos- phates and metal deactivators
  • the disclosure states that for many applications it is preferred that the resins not be cross-linked. Thus, a need exists for a new type of solution.
  • An objective of the present invention is to provide new poly- otefin formuiations suitable for manufacture of plastic pipe systems, which further provide increased iong term stability in residential and commercial potable water applications, particularly when exposed Io oxidative environments such as, but not limited to, chlorinated water environments,
  • plastic pipes are made from a cross- linked pofyolefin to be utilized in, but not limited to, potable water applications.
  • Certain antioxidants and stabilizers are added to the process for producing the plastic pipes. Furthermore, the added antioxidants and stabilizers remain as key components in the final plastic pipes, then providing superior long term stability and resistance to oxidative degradation, the latter being caused by but not limited to, chlorinated water environments. At least a primary stabilizer is used in the material.
  • such a primary stabilizer comes from a specific class of sulphur containing hindered phenols, such as but not limited to, thiodi- ethylene-bis-[3-(3,5-di-tert-butyl-4-hydroxypheny]) propionate] (Irganox 1035 as supplied by Ciba Specialty Chemicals) and/or 2,2'-thiodiethylene bis[3-(3,5- di-f-butyl-4-hydroxypheny!-propionate] (Anox 70 as supplied by Chemtura).
  • thiodi- ethylene-bis-[3-(3,5-di-tert-butyl-4-hydroxypheny]) propionate] Irganox 1035 as supplied by Ciba Specialty Chemicals
  • 2,2'-thiodiethylene bis[3-(3,5- di-f-butyl-4-hydroxypheny!-propionate] as supplied by Chemtura.
  • a second stabilizer is utilized in the present invention, which second stabilizer comes from the classes of hindered amine light stabilizers (HALS), and/or nanoparticles, such as but not fimited to, metal oxides.
  • HALS hindered amine light stabilizers
  • nanoparticles such as but not fimited to, metal oxides.
  • nanoparticles are represented by, but are not limited to, zinc oxide as supplied by BykChemie/NanoPhase.
  • the primary stabilizer and the second stabilizers when combined in the formulations, provided synergistic enhancement effects with regard to improved long term stability as demonstrated by, but not limited to, extended exposure to chlorinated water environments under elevated temperatures and pressures,

Abstract

L'invention porte sur un tuyau en matière plastique qui est fait d'une polyoléfine réticulée destiné à être utilisé dans, mais sans y être limité, des applications d'eau potable. Certains antioxydants et stabilisants sont ajoutés à un procédé de fabrication du tuyau en matière plastique. Les antioxydants et stabilisants ajoutés restent comme composants clés dans les tuyaux en matière plastique finaux, fournissant une stabilité à long terme supérieure et une résistance supérieure à la dégradation par oxydation, cette dernière étant provoquée, mais sans y être limitée, par des environnements d'eau chlorée. Au moins un stabilisant primaire est utilisé dans la matière.
EP08857937.0A 2007-12-05 2008-12-04 Tuyau en matière plastique fait de polyoléfine Active EP2220155B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/950,633 US7855246B2 (en) 2007-12-05 2007-12-05 Plastic pipe made of polyolefin
PCT/IB2008/055089 WO2009072073A1 (fr) 2007-12-05 2008-12-04 Tuyau en matière plastique fait de polyoléfine

Publications (3)

Publication Number Publication Date
EP2220155A1 true EP2220155A1 (fr) 2010-08-25
EP2220155A4 EP2220155A4 (fr) 2011-08-31
EP2220155B1 EP2220155B1 (fr) 2015-03-04

Family

ID=40717346

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08857937.0A Active EP2220155B1 (fr) 2007-12-05 2008-12-04 Tuyau en matière plastique fait de polyoléfine

Country Status (7)

Country Link
US (1) US7855246B2 (fr)
EP (1) EP2220155B1 (fr)
CA (1) CA2707478C (fr)
DK (1) DK2220155T3 (fr)
ES (1) ES2537204T3 (fr)
PT (1) PT2220155E (fr)
WO (1) WO2009072073A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2607784T3 (es) * 2009-05-29 2017-04-04 Uponor Innovation Ab Métodos y composiciones para producir tubería que tiene resistencia oxidativa mejorada
ES2902829T3 (es) * 2011-09-09 2022-03-30 Chevron Phillips Chemical Co Lp Composiciones aditivas de polietileno y artículos fabricados con ellas
EP2690115B1 (fr) 2012-07-24 2018-02-21 Borealis AG Composition de polyoléfine reticulée lentment et partiellement pour améliorer la résistance d'articles aux désinfectants
WO2014177435A1 (fr) 2013-05-03 2014-11-06 Uponor Innovation Ab Tuyau en polyoléfine
GB2525453A (en) * 2014-04-23 2015-10-28 Uponor Innovation Ab Polyolefin pipe

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2010281A (en) * 1977-12-20 1979-06-27 British Steel Corp The production of cross-linked polyolefine articles
EP0077948A1 (fr) * 1981-10-20 1983-05-04 BASF Aktiengesellschaft Utilisation de polymérisats d'éthylène dans la fabrication de tuyaux
EP0214099A2 (fr) * 1985-08-28 1987-03-11 Ciba-Geigy Ag Stabilisation de polymères d'éthylène réticulés
US6232376B1 (en) * 1999-10-14 2001-05-15 Nippon Unicar Company Ltd. Moisture curable polyolefin compositions
EP1253169A2 (fr) * 2001-04-27 2002-10-30 Yoshitomi Fine Chemicals, Ltd. Agent de retardement de dégradation pour des résines, résines résistantes à l'eau chlorée, et méthode pour retarder la dégradation
WO2004067610A1 (fr) * 2003-01-30 2004-08-12 Borealis Technology Oy Composition de polyethylene pour la fabrication d'un peroxyde de polyethylene reticule
WO2006119935A1 (fr) * 2005-05-13 2006-11-16 Basell Polyolefine Gmbh Composition polyolefinique de moulage possedant une resistance amelioree a la degradation thermo-oxydative et utilisation de celle-ci dans la production de tuyaux
EP1760111A1 (fr) * 2005-08-31 2007-03-07 Borealis Technology Oy Composition de polyoléfine contenant un catalyseur de condensation de silanol décolorer-libre

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Publication number Priority date Publication date Assignee Title
DE2946954C2 (de) 1979-11-21 1984-03-15 EC Erdölchemie GmbH, 5000 Köln Verfahren zur Stabilisierung von Hochdruckpolyethylen
CA1192559A (fr) 1982-04-09 1985-08-27 Ralph H. Hansen Constituants polymeriques et compose utile pour ces constituants
US4650903A (en) 1984-06-21 1987-03-17 The Bf Goodrich Company Oligomeric amides as synergists for antioxidants and UV stabilizers
US4579900A (en) 1984-08-31 1986-04-01 Shell Oil Company Polymeric composition useful for hot water pipe service
US4839405A (en) 1986-07-08 1989-06-13 Plasticolors, Inc. Ultraviolet stabilizer compositions, stabilized organic materials, and methods
DD276585A3 (de) 1988-04-29 1990-03-07 Rohrkombinat Stahl & Walzwerk Verfahren zur erzeugung duenner plastbeschichtungen in metallrohren
JP2830358B2 (ja) 1990-04-25 1998-12-02 住友化学工業株式会社 高酸化防止性樹脂組成物
GB9108555D0 (en) 1991-04-22 1991-06-05 Kent Cartridge Mfg Improvements in cartridge cases
US5260371A (en) 1991-07-23 1993-11-09 E. I. Du Pont De Nemours And Company Process for making melt stable ethylene vinyl alcohol polymer compositions
WO1996008532A1 (fr) 1994-09-13 1996-03-21 Uniroyal Chemical Company, Inc. Stabilisation des polymeres de polyethylene
GB2322374B (en) 1997-02-21 2001-04-04 Ciba Sc Holding Ag Stabilizer mixture for organic materials
CA2285723C (fr) 1999-10-07 2009-09-15 Nova Chemicals Corporation Tuyau en polyolefine a distribution multimodale de masses moleculaires
DE60309665T2 (de) 2002-01-31 2007-09-20 Ciba Speciality Chemicals Holding Inc. Stabilisierung von polyolefinen, die in permanentem kontakt mit chloriertem wasser stehen
JP3740528B2 (ja) * 2002-02-05 2006-02-01 独立行政法人産業技術総合研究所 微細粒子製造方法
US7160593B2 (en) 2002-07-23 2007-01-09 Noveon, Inc. Polyefinic pipe having a chlorinated polyolefinic hollow core
US7086421B2 (en) 2002-07-23 2006-08-08 Noveon Ip Holdings Corp. Crosslinked polyethylene pipe having a high density polyethylene liner
JP2005534802A (ja) 2002-07-31 2005-11-17 エクソンモービル・ケミカル・パテンツ・インク シラン架橋性ポリエチレン
US7723412B2 (en) 2003-01-15 2010-05-25 Ciba Specialty Chemicals Corporation Stabilization of thermoplastic nanocomposites
MY145338A (en) 2003-12-04 2012-01-31 Dow Global Technologies Inc Stabilized polyethylene material
US7291669B2 (en) * 2004-03-16 2007-11-06 Ciba Specialty Chemicals Corporation Stabilized polyolefin compositions
KR20080045232A (ko) * 2005-08-22 2008-05-22 미쓰이 가가쿠 가부시키가이샤 프로필렌계 수지 조성물
DE102005056621A1 (de) 2005-11-25 2007-05-31 Merck Patent Gmbh Nanopartikel
ES2607784T3 (es) * 2009-05-29 2017-04-04 Uponor Innovation Ab Métodos y composiciones para producir tubería que tiene resistencia oxidativa mejorada

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2010281A (en) * 1977-12-20 1979-06-27 British Steel Corp The production of cross-linked polyolefine articles
EP0077948A1 (fr) * 1981-10-20 1983-05-04 BASF Aktiengesellschaft Utilisation de polymérisats d'éthylène dans la fabrication de tuyaux
EP0214099A2 (fr) * 1985-08-28 1987-03-11 Ciba-Geigy Ag Stabilisation de polymères d'éthylène réticulés
US6232376B1 (en) * 1999-10-14 2001-05-15 Nippon Unicar Company Ltd. Moisture curable polyolefin compositions
EP1253169A2 (fr) * 2001-04-27 2002-10-30 Yoshitomi Fine Chemicals, Ltd. Agent de retardement de dégradation pour des résines, résines résistantes à l'eau chlorée, et méthode pour retarder la dégradation
WO2004067610A1 (fr) * 2003-01-30 2004-08-12 Borealis Technology Oy Composition de polyethylene pour la fabrication d'un peroxyde de polyethylene reticule
WO2006119935A1 (fr) * 2005-05-13 2006-11-16 Basell Polyolefine Gmbh Composition polyolefinique de moulage possedant une resistance amelioree a la degradation thermo-oxydative et utilisation de celle-ci dans la production de tuyaux
EP1760111A1 (fr) * 2005-08-31 2007-03-07 Borealis Technology Oy Composition de polyoléfine contenant un catalyseur de condensation de silanol décolorer-libre

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009072073A1 *

Also Published As

Publication number Publication date
WO2009072073A1 (fr) 2009-06-11
CA2707478A1 (fr) 2009-06-11
CA2707478C (fr) 2015-01-27
DK2220155T3 (en) 2015-05-26
US7855246B2 (en) 2010-12-21
EP2220155B1 (fr) 2015-03-04
EP2220155A4 (fr) 2011-08-31
PT2220155E (pt) 2015-06-18
ES2537204T3 (es) 2015-06-03
US20090149588A1 (en) 2009-06-11

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